CN201926024U - Pressure-bearing bi-water tank circulating solar hot water control system - Google Patents

Pressure-bearing bi-water tank circulating solar hot water control system Download PDF

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Publication number
CN201926024U
CN201926024U CN2011200104479U CN201120010447U CN201926024U CN 201926024 U CN201926024 U CN 201926024U CN 2011200104479 U CN2011200104479 U CN 2011200104479U CN 201120010447 U CN201120010447 U CN 201120010447U CN 201926024 U CN201926024 U CN 201926024U
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China
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magnetic valve
water tank
control
heat
solar
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CN2011200104479U
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崔新明
廖春波
王挺
倪宏演
范伟
李敏妃
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崔新明
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Abstract

The utility model relates to a pressure-bearing bi-water tank circulating solar hot water control system, which comprises a heat collection control system, a plurality of household heat exchange control systems connected with the heat collection control system, and a system terminal control device, wherein the heat collection control system comprises a circulating heat collection major loop and a heat collection branch; the circulating heat collection major loop comprises a solar heat collector set, a first electromagnetic valve, a buffered medium water tank, a circulating water pump and a second electromagnetic valve which are connected in sequence through a circulating major pipe; the heat collection branch comprises a roof heat storage water tank, and a third electromagnetic valve and a fourth electromagnetic valve which are connected with the roof heat storage water tank and the circulating major pipe; a plurality of temperature sensors are arranged in the system; and the temperature sensors, the circulating water pump and all the electromagnetic valves are respectively and electrically connected with the system terminal control device. The solar hot water control system is capable of transferring and storing redundant solar heat into the roof heat storage water tank, and thus, the heat can be supplied to users under the condition that the sunlight is weak, and the collection and the storage of solar irradiation reach maximum.

Description

The solar heat water control system of the two water tank circulations of a kind of pressure-bearing type
Technical field
The utility model relates to a kind of solar heat water control system, relates in particular to the solar heat water control system that a kind of heat distribution pressure-bearing type pair water tanks even, that strengthen the utilization rate of heat storage capacity, raising solar heat circulate.
Background technology
At widely used concentrated thermal-arrest, branch family heat storage type solar water heating system in multilayer and high residential building at present, its form characteristics are that the heat collector group is shared, the branch family is provided with independently household water tank, adopts the mode of forced circulation to collect and store solar energy.According to the cyclical patterns and the control system thereof of existing system, generally can be divided into two kinds: a kind of is at public circulating line an intermediate water tank that capacity is bigger to be set partly, and by the isolated operation of two groups of water pumps, the realization thermal-arrest is connected with heat transfer process; Another kind is that public water tank is not set, and adopts the pipeline circulation directly the heat that heat collector is collected to be passed to household water tank.
Though more than two kinds of cyclical patterns and control system thereof comparatively simple, also can realize the transmittance process of heat, but have the following disadvantages: because the stage that the otherness of annual solar energy irradiation and user's hot water use, the phenomenon of heat surplus can appear in some period, and above-mentioned two kinds of solar water heating systems can't further store unnecessary solar heat, cause solar heat not make full use of.Sunny or user uses heat not for a long time, causes the waste of solar heat; When illumination deficiency or user used heat too much, the heat of storage can not satisfy user's needs again, thereby increased the consumption of auxiliary thermal source.
Summary of the invention
The utility model mainly solves original solar water heating system and uses heat not for a long time sunny or user, unnecessary solar heat further can't be stored, cause the waste of solar heat, solar energy utilization ratio is not high, increases the technical problem of the consumption of auxiliary thermal source on the other hand yet; The solar heat water control system of the two water tank circulations of a kind of pressure-bearing type is provided, be implemented under the different weather condition, make collection, conversion and the storage of solar energy irradiation reach maximization, improve solar energy utilization rate, reduce the consumption of auxiliary thermal source, and system's operation is more stable, and can realize that the equilibrium of heat distributes.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises the thermal-arrest control system, the system terminal control device that a plurality of minutes family heat exchange control systems that link to each other with the thermal-arrest control system and control thermal-arrest control system and branchs family heat exchange control system are moved, described thermal-arrest control system comprises circulation thermal-arrest major loop and thermal-arrest branch road, described circulation thermal-arrest major loop comprises by circulation is responsible for the solar thermal collector group that links to each other successively, first magnetic valve, the buffer medium water tank, the water circulating pump and second magnetic valve, described thermal-arrest branch road comprises roofing heat storage water tank and the 3rd magnetic valve, the 4th magnetic valve, the circulation person in charge who is connected between first magnetic valve and the solar thermal collector group is communicated with through the import of the 3rd magnetic valve and roofing heat storage water tank, the outlet of roofing heat storage water tank is communicated with the circulation person in charge who is connected between buffer medium water tank and the water circulating pump, the import of described roofing heat storage water tank also by the 4th magnetic valve and be connected second magnetic valve and the solar thermal collector group between circulation be responsible for to be communicated with, described circulation thermal-arrest major loop and thermal-arrest branch road are provided with some temperature sensors, described temperature sensor, first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve and water circulating pump all are electrically connected with described system terminal control device.The solar thermal collector group is gathered the solar irradiation amount, and the system terminal control device is gathered the real time temperature of each point by temperature sensor.The system terminal control device is the equipment of a soft or hard combination, and it is handled through internal processes, can send various instructions, and magnetic valve, water circulating pump are controlled.The intelligent degree height of whole system move more stablely, realizes the equilibrium distribution of solar heat.The buffer medium water tank adopts the water tank of low capacity, and the roofing heat storage water tank adopts jumbo water tank.Wherein, the effect of buffer medium water tank is, can play the circulation of pipeline medium water and accumulate and cushioning effect, effectively gas-liquid separated, and guarantees that water circulating pump is not with fate to change or idle running in running.And the effect of jumbo roofing heat storage water tank is, when all right solar irradiation amount of weather is sufficient, according to user's hot water operating position, the heat of household water tank may store and reach full load condition, in order to collect and store unnecessary heat, by the system terminal control device each magnetic valve keying state is carried out the control of pattern conversion operations, the WATER AS FLOW MEDIUM in the roofing heat storage water tank is heated, solar heat more than needed is transferred in the jumbo roofing heat storage water tank.When the user will be separately efficient heat in the household water tank use, and when solar energy is not enough, can be stored in the roofing heat storage water tank heat as thermal source in time and household water tank carry out heat exchange, especially can satisfy the heat supply of user under night and rainy weather situation, both effectively stored solar energy more than needed, user's hot water uses in the time of guaranteeing the solar irradiation quantity not sufficient again.Therefore, the utility model makes collection, conversion and the storage of solar energy irradiation reach maximization, improves solar energy utilization rate, reduces the consumption of auxiliary thermal source, and is more energy-conservation.
As preferably, family heat exchange control system comprised household water tank in described minute, loop branch pipe and branch family magnetic valve, on the loop branch pipe that described minute family magnetic valve is located at the import of heat exchanger tube in the household water tank links to each other, this root loop branch pipe is responsible for by downlink cycle again and is connected in the circulation thermal-arrest major loop circulation between second magnetic valve and water circulating pump and is responsible for, and the loop branch pipe that links to each other of the outlet of the heat exchanger tube in the household water tank is responsible for by downlink cycle and is connected in the cycle set hot loop circulation between second magnetic valve and solar thermal collector group and is responsible for, be provided with some temperature sensors in the described minute family heat exchange control system, divide the temperature sensor in the family heat exchange control system, divide the family magnetic valve all to be electrically connected with described system terminal control device.The system terminal control device is gathered the temperature in the household water tank, and a minute family magnetic valve is controlled.Household water tank is responsible for by downlink cycle and buffering WATER AS FLOW MEDIUM case, roofing heat storage water tank carry out heat exchange.
As preferably, described solar thermal collector group is provided with temperature sensor, is provided with temperature sensor in the described roofing heat storage water tank, and the circulation that described the 4th magnetic valve links to each other with the solar thermal collector group is responsible for and is provided with temperature sensor.
As preferably, be provided with temperature sensor in the described household water tank, the downlink cycle that links to each other with branch family magnetic valve is responsible for and is provided with temperature sensor.
As preferably, the loop branch pipe that links to each other with the user's of the bottom branch family magnetic valve is provided with flowmeter and the 5th magnetic valve, and described flowmeter, the equal and described system terminal control device of the 5th magnetic valve are electrically connected.Be responsible for medium water when buffer medium water tank and circulation and reach uniform temperature, and the household water tank temperature that temperature and bottom user are responsible in circulation reaches a fixed difference difference, the system terminal control device instructs the branch family magnetic valve at this family to open, and monitor this family loop branch pipe section when having flow to pass through by flowmeter, the 5th closed electromagnetic valve on this moment bottom user loop branch pipe, whole system enters the deposit heat transfer process, the WATER AS FLOW MEDIUM in roofing heat storage water tank circulation is entered in the heat exchange coil of the household water tank that possesses heat transfer boundary condition to carry out heat exchange.
The beneficial effects of the utility model are: 1, by two water tanks are set, be buffer medium water tank and roofing heat storage water tank, can guarantee the stability of solar water heating system circular flow on the one hand, the equilibrium that realizes heat distributes, heat storage when solar irradiation amount abundance and household water tank reaches under the fully loaded situation on the other hand, solar heat more than needed can be shifted and be stored in the roofing heat storage water tank, can satisfy the heat supply of user under night and rainy weather situation, can make the collection of solar energy irradiation again, transform and store and reach maximization, improve solar energy utilization rate, reduce the consumption of auxiliary thermal source.2, by the flow status in the flowmeter monitoring bottom user loop branch pipe, but thereby the conversion of control system thermal-arrest and heat exchange state, the heat demand user that the assurance solar heat can both be distributed to different floors equably avoids the appearance of high low layer exchange heat unbalanced phenomena.
Description of drawings
Fig. 1 is a kind of system of the present utility model syndeton schematic diagram.
Fig. 2 is a kind of control flow sequential block diagram of the present utility model.
1. system terminal control device among the figure, 2. circulation is responsible for, 3. the solar thermal collector group, 4. first magnetic valve, 5. buffer medium water tank, 6. water circulating pump, 7. second magnetic valve, 8. roofing heat storage water tank, 9. the 3rd magnetic valve, 10. the 4th magnetic valve, 11. temperature sensors, 12. household water tanks, 13. loop branch pipe, 14. fens family magnetic valves, 15. downlink cycle are responsible for, 16. flowmeter, 17. the 5th magnetic valves.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the solar heat water control system of the two water tank circulations of a kind of pressure-bearing type of present embodiment, as shown in Figure 1, the system terminal control device 1 that a plurality of minutes family heat exchange control systems that comprise that the thermal-arrest control system links to each other with the thermal-arrest control system and control thermal-arrest control system and branchs family heat exchange control system are moved.The thermal-arrest control system comprises circulation thermal-arrest major loop and thermal-arrest branch road, and circulation thermal-arrest major loop comprises by circulation is responsible for 2 solar thermal collector group 3, first magnetic valve 4, buffer medium water tank 5, water circulating pump 6 and second magnetic valves 7 that link to each other successively.The thermal-arrest branch road comprises roofing heat storage water tank 8 and the 3rd magnetic valve 9, the 4th magnetic valve 10.The 2 imports connections through the 3rd magnetic valve 9 and roofing heat storage water tank 8 are responsible in the circulation that is connected between first magnetic valve 4 and the solar thermal collector group 3, the outlet of roofing heat storage water tank 8 is responsible for 2 and is communicated with being connected circulation between buffer medium water tank 5 and the water circulating pump 6, and the import of roofing heat storage water tank 8 also is responsible for 2 connections by the 4th magnetic valve 10 and the circulation that is connected between second magnetic valve 7 and the solar thermal collector group 3.Temperature sensor 11 is installed on the solar thermal collector group 3, circulation that temperature sensor 11, the four magnetic valves 10 link to each other with solar thermal collector group 3 is installed in the roofing heat storage water tank 8 is responsible on 2 temperature sensor 11 is installed.
Heat exchange control system in branch family comprises household water tank 12, loop branch pipe 13 and branch family magnetic valve 14.On the loop branch pipe 13 that branch family magnetic valve 14 is installed on the import of heat exchanger tube in the household water tank 12 links to each other, this root loop branch pipe is responsible for 15 by downlink cycle again and is connected in the circulation thermal-arrest major loop circulation between second magnetic valve 7 and water circulating pump 6 and is responsible on 2, and the loop branch pipe 13 that links to each other of the outlet of the heat exchanger tube in the household water tank 12 is responsible for 15 by downlink cycle and is connected in the cycle set hot loop circulation between second magnetic valve 7 and solar thermal collector group 3 and is responsible on 2.With on the loop branch pipe 13 that the user's of the bottom branch family magnetic valve 14 links to each other flowmeter 16 and the 5th magnetic valve 17 are installed.Flowmeter 16,17 equal and system terminal control device 1 electrical connections of the 5th magnetic valve.Temperature sensor 11 is installed in the household water tank 12, and the downlink cycle that links to each other with branch family magnetic valve 14, flowmeter 16 is responsible on 15 temperature sensor 11 is installed.
Temperature sensor 11 in temperature sensor 11, first magnetic valve 4, second magnetic valve 7, the 3rd magnetic valve 9, the 4th magnetic valve 10 and water circulating pump 6 in the thermal-arrest control system and the branch family heat exchange control system, flowmeter 16,14 equal and system terminal control device 1 electrical connections of branch family magnetic valve.Dotted line is represented the cable that is electrically connected among Fig. 1.
The course of work is as shown in Figure 2:
1, thermal-arrest and heat exchange duty
The solar thermal collector group is gathered the solar irradiation amount, and the system terminal control device is gathered the downlink cycle appropriate department's that the branch family magnetic valve of the temperature T 1 of the solar thermal collector group port of export, the temperature T 3 of temperature T 2, roofing heat storage water tank on the water return pipeline that circulation is responsible for and each layer links to each other the temperature T 4 and the temperature T 5 of household water tank by temperature sensor.When T1-T2 〉=T (temperature value of T can according to actual set), illustrate that the solar thermal collector group collected certain heat, system terminal control device instruction water circulating pump startup operation, instruction first magnetic valve and the 5th magnetic valve are opened the WATER AS FLOW MEDIUM in the beginning heat cycles person in charge and the buffer medium water tank.When the WATER AS FLOW MEDIUM temperature T 4 in descending circulation is responsible for reaches a fixed difference difference with the household water tank temperature T 5 of resident family, i.e. T4-T5 〉=T (temperature value of T can according to actual set), system terminal control device instruct the branch family magnetic valve unlatching at this family.When the flowmeter in the loop branch pipe that is arranged on bottom user has monitored flow when passing through, this moment, the system terminal control device instructed the 5th closed electromagnetic valve, efficient heat is delivered in the household water tank that branch family magnetic valve opened carries out heat exchange.When T4-T5<T (temperature value of T can according to actual set), branch family magnetic valve then cuts out.Under above-mentioned this circulation pattern, second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve all are in closed condition.
2, the storage duty of solar heat more than needed
When solar irradiation amount abundance and household water tank heat store when reaching design temperature, cause condition of overhigh temperature to occur in order to prevent that household water tank from continuing to heat up, the instruction of system terminal control device divides the family closed electromagnetic valve, all reach full load condition if detect all users' household water tank temperature, then all branch family magnetic valves all cut out, and heat exchange this moment state is forced to cut off.If solar energy irradiation is still comparatively strong, for maximum using solar energy, the system terminal control device can switch the loop control pattern, makes system's operation enter the heat accumulation duty.Its process is: the system terminal control device sends instruction, open second, third magnetic valve, close the first, the 4th magnetic valve, this moment, system can not be circulated to the heat that the solar thermal collector group absorbs the downlink cycle person in charge, but, heat is directly delivered in the roofing heat storage water tank, when the temperature T 3 of roofing heat storage water tank reaches ceiling temperature by the cyclic process of roofing pipeline, too high for preventing water tank temperature, then the forced circulation water pump is out of service.When weather such as night or overcast and rainy solar irradiation deficiency cause the solar thermal collector group can't obtain under the efficient heat state, satisfy the temperature T 3 of roofing heat storage water tank and the temperature T 5 of household water tank and reach a fixed difference difference, be T3-T5 〉=T (temperature value of T can according to actual set), the system terminal control device can send instruction, open the 4th magnetic valve and water circulating pump, close first, second, third magnetic valve, carry out the heat exchange exchange process with the roofing heat storage water tank as thermal source and branch family heat exchange control system this moment.

Claims (5)

1. the solar heat water control system of the two water tanks circulations of a pressure-bearing type, comprise the thermal-arrest control system, the system terminal control device (1) that a plurality of minutes family heat exchange control systems that link to each other with the thermal-arrest control system and control thermal-arrest control system and branchs family heat exchange control system are moved, it is characterized in that described thermal-arrest control system comprises circulation thermal-arrest major loop and thermal-arrest branch road, described circulation thermal-arrest major loop comprises by circulation is responsible for the solar thermal collector group (3) that (2) link to each other successively, first magnetic valve (4), buffer medium water tank (5), water circulating pump (6) and second magnetic valve (7), described thermal-arrest branch road comprises roofing heat storage water tank (8) and the 3rd magnetic valve (9), the 4th magnetic valve (10), (2) import connection through the 3rd magnetic valve (9) and roofing heat storage water tank (8) is responsible in the circulation that is connected between first magnetic valve (4) and the solar thermal collector group (3), the outlet of roofing heat storage water tank (8) is communicated with the circulation person in charge (2) who is connected between buffer medium water tank (5) and the water circulating pump (6), the import of described roofing heat storage water tank (8) also by the 4th magnetic valve (10) and be connected second magnetic valve (7) and solar thermal collector group (3) between circulation be responsible for (2) and be communicated with, described circulation thermal-arrest major loop and thermal-arrest branch road are provided with some temperature sensors (11), described temperature sensor (11), first magnetic valve (4), second magnetic valve (7), the 3rd magnetic valve (9), the 4th magnetic valve (10) and water circulating pump (6) all are electrically connected with described system terminal control device (1).
2. the solar heat water control system of the two water tank circulations of a kind of pressure-bearing type according to claim 1, it is characterized in that described minute family heat exchange control system comprises household water tank (12), loop branch pipe (13) and branch family magnetic valve (14), described minute the family magnetic valve (14) be located at loop branch pipe (13) that the import of heat exchanger tube in the household water tank (12) links to each other on, this root loop branch pipe is responsible for (15) by downlink cycle again and is connected in the circulation thermal-arrest major loop on the circulation person in charge (2) between second magnetic valve (7) and water circulating pump (6), and the loop branch pipe (13) that links to each other of the outlet of the heat exchanger tube in the household water tank (12) is responsible for (15) by downlink cycle and is connected in the cycle set hot loop on the circulation person in charge (2) between second magnetic valve (7) and solar thermal collector group (3), be provided with some temperature sensors (11) in the described minute family heat exchange control system, divide the temperature sensor (11) in the family heat exchange control system, divide family magnetic valve (14) all to be electrically connected with described system terminal control device (1).
3. the solar heat water control system of the two water tank circulations of a kind of pressure-bearing type according to claim 1 and 2, it is characterized in that described solar thermal collector group (3) is provided with temperature sensor (11), be provided with temperature sensor (11) in the described roofing heat storage water tank (8), the circulation that described the 4th magnetic valve (10) links to each other with solar thermal collector group (3) is responsible for (2) and is provided with temperature sensor (11).
4. the solar heat water control system of the two water tank circulations of a kind of pressure-bearing type according to claim 2, it is characterized in that being provided with in the described household water tank (12) temperature sensor (11), the downlink cycle that links to each other with branch family magnetic valve (14) is responsible for (15) and is provided with temperature sensor (11).
5. according to the solar heat water control system of the two water tanks circulations of claim 2 or 4 described a kind of pressure-bearing types, it is characterized in that the loop branch pipe (13) that links to each other with the user's of the bottom branch family magnetic valve (14) is provided with flowmeter (16) and the 5th magnetic valve (17), described flowmeter (16), the 5th magnetic valve (17) all are electrically connected with described system terminal control device (1).
CN2011200104479U 2011-01-14 2011-01-14 Pressure-bearing bi-water tank circulating solar hot water control system Expired - Lifetime CN201926024U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185368A (en) * 2011-12-27 2013-07-03 廊坊创意博能源有限公司 System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat
CN103673058A (en) * 2013-11-20 2014-03-26 天津市天友建筑设计股份有限公司 Concentration heat collection scattering heat storage solar water heating system inversion-preventing heating device and method
CN103185368B (en) * 2011-12-27 2016-12-14 廊坊创意博能源有限公司 A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange
CN108107938A (en) * 2017-12-21 2018-06-01 安徽华宇机械制造有限公司 A kind of temperature control equipment and its detecting and controlling system for silo

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185368A (en) * 2011-12-27 2013-07-03 廊坊创意博能源有限公司 System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat
CN103185368B (en) * 2011-12-27 2016-12-14 廊坊创意博能源有限公司 A kind of solar water concentrates the system and method for collection heat separating user accumulation of heat orientation heat exchange
CN103673058A (en) * 2013-11-20 2014-03-26 天津市天友建筑设计股份有限公司 Concentration heat collection scattering heat storage solar water heating system inversion-preventing heating device and method
CN103673058B (en) * 2013-11-20 2016-06-01 天津市天友建筑设计股份有限公司 Concentrate the collection dissipation of heat anti-reverse heating means of heat-accumulation solar hot-water system
CN108107938A (en) * 2017-12-21 2018-06-01 安徽华宇机械制造有限公司 A kind of temperature control equipment and its detecting and controlling system for silo

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Granted publication date: 20110810